Here are a couple images of 2002-2003 Denso ROMs you can check out using IDA Pro along with the HC16 module I posted, or another dissasembler. I have some other ECUs to dump also, so I will add to this list. The flash memory in the ECU is arranged as follows:
0x00000-0x1FFFF : flash
0x20000-0x27FFF : ram
0x28000-0x2FFFF : flash
0x60000-0x60FFF: TPU flash (boot loader)
The 192k files I have included contain both main flash areas as well as the RAM area filled with zeros. This makes it easier to load into a dissasembler as a single image, but obviously the RAM area never gets flash to the ECU.
The 4k TPU flash area code is in a seperate file. This is the code for a "boot loader" which loads your kernel into memory. This file needs to be rebased to 0x60000. I haven't dumped many of these yet to see if they differ at all within a model year.
ROM images
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ROM images
by cboles » Thu May 19, 2005 11:27 am
- Attachments
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2002wrxstock_A4SGD10C_US.zip- (85.86 KiB) Downloaded 2155 times
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- 2002wrxstock_A4SGC00C_US_TPU.zip
- (2.16 KiB) Downloaded 507 times
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- 2002wrxstock_A4SGC00C_US.zip
- (85.81 KiB) Downloaded 1126 times
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by Kha0S » Wed Jul 20, 2005 9:17 am
Dumped the ECU from my automatic transmission (well, that's how it started, anyway, it's a 5MT now) 2002 WRX... shows ID A4SG900C, so, a substantially older revision than the ones here.
/Andrew
/Andrew
- Attachments
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- 2002wrxstock_A4SG900C_US.zip
- (84.5 KiB) Downloaded 2775 times
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- Location: MY02 USDM WRX / Nashua, NH
by qoncept » Mon Nov 21, 2005 6:25 pm
Here's a ROM from my buddy's 2003 WRX
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- 2003wrxstock_A4TC300L_US.zip
- (85.76 KiB) Downloaded 1225 times
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02 WRX ROM - Aug01 manufacturing date A4SGC00C
by gethin » Sat Dec 03, 2005 2:39 pm
ROM from my 02 WRX August 01 manufacturing date
A4SGC00C
A4SGC00C
- Attachments
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- 2002_rom.rar
- (81.34 KiB) Downloaded 448 times
- gethin
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by west_minist » Wed Dec 07, 2005 7:01 pm
Kha0S wrote:Dumped the ECU from my automatic transmission (well, that's how it started, anyway, it's a 5MT now) 2002 WRX... shows ID A4SG900C, so, a substantially older revision than the ones here.
/Andrew
How did you do this? There is a connector close by. Or using the socket under the steering wheel?
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by treefrogaz » Tue Apr 18, 2006 5:24 pm
I tried to edit my map on the ecuflash and it will not work it says "The current map description is invalid or incomlpete. Please edit the map description to fix the proble and the mp will be viewable again." is there a def file i need to add or something.
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by RICK SCHU » Thu May 11, 2006 11:50 am
WARNING on the A4SGC00C map above - for some reason it has injector scaling set to 503 (stock should be 380 on this map).
EDIT: This guy has a unmolested A4SGC00C map:
http://forums.openecu.org/viewtopic.php?t=255
I verified that the injector scaling is absolutely the only thing different with the ROM in this thread.
EDIT: This guy has a unmolested A4SGC00C map:
http://forums.openecu.org/viewtopic.php?t=255
I verified that the injector scaling is absolutely the only thing different with the ROM in this thread.
- RICK SCHU
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